Home / 353,329.95-487,603.35-192,193.61

Finding the Fourth Proportional to 353,329.95, 487,603.35 and 192,193.61

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Solution

The fourth proportional to 353,329.95, 487,603.35 and 192,193.61 is: 265,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,329.95 : 487,603.35 = 192,193.61 : x
  2. Step 2: Convert to fraction form
    353,329.95/487,603.35 = 192,193.61/x
  3. Step 3: Cross multiply
    353,329.95x = 487,603.35 × 192,193.61
  4. Step 4: Simplify right side
    353,329.95x = 93,714,249,303.60
  5. Step 5: Solve for x
    x = 93,714,249,303.60/353,329.95
  6. Step 6: Final answer
    x = 265,231.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.